s.m.j. mortazavi department of medical physics and medical engineering, school of medicine, shiraz university of medical sciences, shiraz, iran h. mozdarani department of medical genetics, faculty of medical sciences, tarbiat modares university, tehran, iran

Rebecca Zener Stefanie Y Lee Kari L Visscher Michelle Ricketts Stacey Speer Daniele Wiseman

vahid karami department of medical physics, school of medicine, ahvaz jundishapur university of medical sciences, ahvaz, ir iran mansour zabihzadeh department of medical physics, school of medicine, ahvaz jundishapur university of medical sciences, ahvaz, ir iran; department of radiotherapy and radiation oncology, golestan hospital, ahvaz jundishapur university of medical sciences, ahvaz, ir iran; department of medical physics, school of medicine, ahvaz jundishapur university of medical sciences, 61357-33118, ahvaz, ir iran. tel: +98-9125032283, fax: +98-6133332066 mehrdad gholami department of medical physics, school of para medicine sciences, lorestan university of medical sciences, khorramabad, ir iran

majid zamani department of emergency medicine, isfahan university of medical sciences, isfahan, ir iran babak masoumi department of emergency medicine, isfahan university of medical sciences, isfahan, ir iran mehrdad esmailian department of emergency medicine, isfahan university of medical sciences, isfahan, ir iran amin habibi education development center, isfahan university of medical sciences, isfahan, ir iran mehdi khazaei school of medicine, isfahan university of medical sciences, isfahan, ir iran mohammad mohammadi esfahani department of emergency medicine, isfahan university of medical sciences, isfahan, ir iran; department of emergency medicine, isfahan university of medical sciences, isfahan, ir iran. tel: +98-9133277881, fax: +98-36684510

F Mohammadi , K Ghazikhanlu-Sani, M Alizadeh , S Mohamadpour , Sh Hadidi , Y Mohammadi ,